diff --git a/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java b/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
index 10524af..0f076cf 100644
--- a/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
+++ b/src/main/java/com/eactive/eai/adapter/http/client/impl/HttpClient5AdapterServiceRest.java
@@ -9,15 +9,22 @@ import java.net.URI;
 import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Base64;
+import java.util.Date;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Properties;
+import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import com.eactive.eai.common.property.PropManager;
+// encrypt test by jwhong
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.lang3.time.StopWatch;
@@ -60,34 +67,26 @@ import com.eactive.eai.adapter.http.client.HttpClient5AdapterServiceSupport;
 import com.eactive.eai.adapter.http.client.HttpClientAdapterServiceKey;
 import com.eactive.eai.adapter.http.client.HttpClientAdapterVO;
 import com.eactive.eai.adapter.http.dynamic.HttpAdapterServiceKey;
+import com.eactive.eai.authserver.service.OAuth2Manager;
 import com.eactive.eai.common.TransactionContextKeys;
 import com.eactive.eai.common.authoutbound.AccessTokenManagerByDB;
 import com.eactive.eai.common.exception.ExceptionUtil;
 import com.eactive.eai.common.message.MessageType;
+import com.eactive.eai.common.property.PropManager;
 import com.eactive.eai.common.util.CommonLib;
 import com.jayway.jsonpath.DocumentContext;
 import com.jayway.jsonpath.JsonPath;
+import com.kjbank.encrypt.exchange.crypto.AES256Cipher;
+import com.kjbank.encrypt.exchange.crypto.AES256GCMCipher;
+import com.kjbank.encrypt.exchange.crypto.AESCipher;
+import com.kjbank.encrypt.exchange.crypto.ECDHESA256Cipher;
+import com.nimbusds.jwt.SignedJWT;
 import com.openbanking.eai.common.token.AccessTokenManager;
 import com.openbanking.eai.common.token.AccessTokenVO;
 import com.openbanking.eai.common.token.OAuth2AccessTokenVO;
 
 import edu.emory.mathcs.backport.java.util.Arrays;
 
-// encrypt test by jwhong
-import javax.crypto.Cipher;
-import javax.crypto.spec.SecretKeySpec;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
-import com.kjbank.encrypt.exchange.crypto.AES256Cipher;
-import com.kjbank.encrypt.exchange.crypto.AESCipher;
-import com.nimbusds.jwt.SignedJWT;
-import com.kjbank.encrypt.exchange.crypto.AES256GCMCipher;
-import com.kjbank.encrypt.exchange.crypto.ECDHESA256Cipher;
-import com.eactive.eai.authserver.service.OAuth2Manager;
-import java.util.Set;
-import java.util.HashSet;
-import java.util.Date;
-
 /**
  * 1. 기능 : EAI HTTP OutBound 용 어댑터로 수동 시스템의 HTTP 웹 컴포넌트를 GET/POST 방식으로 호출할 수 있는
  * 기능을 제공한다.<br>
@@ -112,11 +111,13 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 	public static final String HTTP_STATUS = "HTTP_STATUS";
 	public static final String HEADER_KEYS = "HEADER_KEYS";
 	public static final String AUTH_TOKEN = "AUTH_TOKEN";
+	public static final String HTTP_HEADER_SETTING = "HTTP_HEADER_SETTING";
 
 	public static final String PAYLOAD_PARAM_NAME_CLIENT_ID = "client_id";  // jwhong
 
 	private boolean useAdapterToken;
 	private boolean encryptResponseApply;
+	private String httpHeaderSettingByAdapter = "{}";
 
 	/**
 	 * 1. 기능 : REST API 통신에 사용 <br>
@@ -393,7 +394,7 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 
 		// 전달 header 셋팅
 		// Adapter 레벨 header 보다 data로 넘어온 httpHeader를 우선 적용(header명이 같다면 덮어씀)
-		assignRequestHeaders(method, httpHeader);
+		assignRequestHeaders(method, httpHeader, prop);
 
 		// KJBank API 추적정보를 Header에 제공. jwhong
 		//assignRequestKJHeaders(method, prop, tempProp );
@@ -790,27 +791,48 @@ public class HttpClient5AdapterServiceRest extends HttpClient5AdapterServiceSupp
 		return false;
 	}
 
-	private void assignRequestHeaders(HttpUriRequestBase method, Object httpHeader) {
-		if (httpHeader == null) {
-			return;
-		}
+	private void assignRequestHeaders(HttpUriRequestBase method, Object httpHeader, Properties prop) {
+		if (httpHeader != null) {
+			if (httpHeader instanceof JSONObject) {
+				JSONObject jsonObject = (JSONObject) httpHeader;
+				for (Object key : jsonObject.keySet()) {
+					Object obj = jsonObject.get(key);
+					if ((obj instanceof JSONObject) || (obj instanceof JSONArray)) {
+						continue;
+					}
 
-		if (httpHeader instanceof JSONObject) {
-			JSONObject jsonObject = (JSONObject) httpHeader;
-			for (Object key : jsonObject.keySet()) {
-				Object obj = jsonObject.get(key);
+					method.setHeader((String) key, (String) obj);
+
+					if (logger.isDebugEnabled()) {
+						logger.debug("Request Header :" + (String) key + "=[" + (String) obj + "]");
+					}
+
+				}
+			}
+		}
+		//전문에서 추출한 httpHeader값 외 어댑터에서 최종적으로 적용되도록,
+		String httpSettingJsonStr = prop.getProperty( HTTP_HEADER_SETTING , "{}");
+		try {
+			JSONObject httpValues = (JSONObject) JSONValue.parse(httpSettingJsonStr);
+			
+			for (Object key : httpValues.keySet()) {
+				Object obj = httpValues.get(key);
 				if ((obj instanceof JSONObject) || (obj instanceof JSONArray)) {
 					continue;
 				}
-
-				method.setHeader((String) key, (String) obj);
-
+				
+				method.setHeader((String) key, obj);
+				
 				if (logger.isDebugEnabled()) {
 					logger.debug("Request Header :" + (String) key + "=[" + (String) obj + "]");
 				}
 
 			}
+			
+		}catch (Exception e) {
+			logger.error("HTTP_HEADER_SETTING value is not JSONObject Type, skip.", e);
 		}
+			
 	}
 	
 	private void assignFilterHeaders(HttpUriRequestBase method, Properties tempProp) {
diff --git a/src/main/java/com/eactive/eai/authoutbound/client/HttpClientAccessTokenServiceByDB.java b/src/main/java/com/eactive/eai/authoutbound/client/HttpClientAccessTokenServiceByDB.java
index 40ac62a..fd589d1 100644
--- a/src/main/java/com/eactive/eai/authoutbound/client/HttpClientAccessTokenServiceByDB.java
+++ b/src/main/java/com/eactive/eai/authoutbound/client/HttpClientAccessTokenServiceByDB.java
@@ -31,6 +31,6 @@ public interface HttpClientAccessTokenServiceByDB {
     * @return   반환 된 AccessTokenVO
     * @exception    Exception 수동 시스템 간 통신 중 발생
     **/
-    public Object execute(String name, Properties adapterProp, OutboundOAuthCredentialVo oAuthCredentialVo) throws Exception ;
+    public Object execute(String adapterGroupName, Properties adapterProp, OutboundOAuthCredentialVo oAuthCredentialVo) throws Exception ;
   
 }